000
00254nam a2200109 4500
008
160616s 000 0
245
_a
Real projective plane
100
_a
Coxter, H.S.M
500
_a
B62:7 K0 K01
942
_c
BK
_2
BK3341
080
_a
514.144 COX
999
_c
3341
_d
3341